You have to start your class with @isTest annotation, then only Salesforce will consider this class as test class. Keep your class as Private, and the best practice is to name your test class as your original Class or trigger Name + ‘Test’. Methods of your test class have to be static, void and testMethod keyword has to be used.
Full Answer
Can test class have constructor?
You can test the constructor of your object in a test method [Test]. Object in the [TestInitialize] can be to setup your persistance storage or to prepare value that the object tested will used in the tests. I know this. You can instantiate the object inline with the declaration if possible.
How do you test a constructor?
To test that a constructor does its job (of making the class invariant true), you have to first use the constructor in creating a new object and then test that every field of the object has the correct value. Yes, you need need an assertEquals call for each field.
How do I create a test class for a class in Salesforce?
From Setup, enter Apex Classes in the Quick Find box, then select Apex Classes and click New.In the class editor, add this test class definition, and then click Save. ... To run this test and view code coverage information, switch to the Developer Console.In the Developer Console, click Test | New Run.More items...
How do you write a test class for ApexPages StandardController controller?
Sample Code: Account a = new Account( Name = 'Test' ); Class_Name obj = new Class_Name( new ApexPages. StandardController( a ) ); here the controller is referred to a page where the standard controller is Account.
How do you mock a class with a private constructor?
// Use the launcher of powermock @RunWith(PowerMockRunner. class) public class MyTestClass { @Test // Prepare the class for which we want to mock a static method @PrepareForTest(SiteUtil. class) public void myTest() throws Exception{ // Build the mock of Site Site mockSite = PowerMockito. mock(Site.
What is a default constructor in a class definition?
A default constructor is a constructor that either has no parameters, or if it has parameters, all the parameters have default values. If no user-defined constructor exists for a class A and one is needed, the compiler implicitly declares a default parameterless constructor A::A() .
How do you write a test class for a parameterized constructor?
Steps to create a Parameterized JUnit testStep 1) Create a class. ... Step 2) Create a parameterized test class.@RunWith(class_name. ... Step 3) Create a constructor that stores the test data. ... Step 4) Create a static method that generates and returns test data.More items...•
How do you write a test class in Salesforce example?
The key points while writing a test class are:You have to start your class with @isTest annotation, then only Salesforce will consider this class as test class.Keep your class as Private, and the best practice is to name your test class as your original Class or trigger Name + 'Test'.More items...•
Why do we write test class in Salesforce?
You write a test class to ensure that Apex Classes and triggers are working as expected, by testing it single and bulk record processing, for positive test cases and negative test cases. For this you also create the testing database.
How do I write a test class for a controller in Salesforce?
How to cover pagereference method in test class for Standard Controller:-First create record. Account acc = New Account(); acc.Name = 'Test Account'; INSERT acc;Page reference to your VF Page. ... Pass necessary parameter. ... Pass your object to controller. ... Call controller. ... Call pageRef mymethod. ... Put system asserts.
How do I find the test class in Salesforce?
Go to Developer Console > File > Open > 'Select class', top left corner says which tests are covering the specific class. Click on the Code coverage drop down, there you can see the test class for that particular class.
What is Apexpages StandardController?
StandardController objects reference the pre-built Visualforce controllers provided by Salesforce. The only time it is necessary to refer to a StandardController object is when defining an extension for a standard controller. StandardController is the data type of the single argument in the extension class constructor.